Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625349 | Electronic lock and key system | James E. Disbrow, Christopher W. Malinowski, Michael Mellen, Peter S. Danile, K. N. Singh Chhatwal | 1997-04-29 |
| 4685124 | Microprocessor based control and switching device | Robert J. Collins | 1987-08-04 |